public static IReadOnlyObservableValue <long> Subtract(this IReadOnlyObservableValue <int> self,
long other)
{
return(self.Map((a) => a - other));
}
public static IReadOnlyObservableValue <decimal> Subtract(this IReadOnlyObservableValue <int> self,
decimal other)
{
return(self.Map((a) => a - other));
}
public static IReadOnlyObservableValue <float> Add(this IReadOnlyObservableValue <float> self,
short other)
{
return(self.Map((a) => a + other));
}
public static IReadOnlyObservableValue <decimal> Add(this IReadOnlyObservableValue <decimal> self,
byte other)
{
return(self.Map((a) => a + other));
}
public static IReadOnlyObservableValue <bool> Not(this IReadOnlyObservableValue <bool> that)
{
return(that.Map(b => !b));
}
public static IReadOnlyObservableValue <bool> EqualTo <T>(this IReadOnlyObservableValue <T> that, T other)
{
return(that.Map(b => Equals(b, other)));
}
public static IReadOnlyObservableValue <T> Map <T>(this IReadOnlyObservableValue <bool> that,
T onTrue, T onFalse)
{
return(that.Map((b) => b ? onTrue: onFalse));
}
public static IReadOnlyObservableValue <int> Length(this IReadOnlyObservableValue <string> that)
{
return(that.Map(b => b.Length));
}
public static IReadOnlyObservableValue Filter <T>(this IReadOnlyObservableValue <T> source, Func <T, bool> filter, T defaultValue = default(T))
{
return(source.Map(v => filter(v) ? v : defaultValue));
}
public static IReadOnlyObservableValue OrElse <T>(this IReadOnlyObservableValue <T> source, T fallback) where T : class
{
return(source.Map(v => v ?? fallback));
}
public static IReadOnlyObservableValue Filter(this IReadOnlyObservableValue source, Func <object, bool> filter, object defaultValue = null)
{
return(source.Map(v => filter(v) ? v : defaultValue));
}
public static IReadOnlyObservableValue <bool> IsNullOrEmpty(this IReadOnlyObservableValue <string> that)
{
return(that.Map(string.IsNullOrEmpty));
}
public static IReadOnlyObservableValue <bool> IsEqualTo(this IReadOnlyObservableValue <string> that,
string text,
StringComparison c = StringComparison.InvariantCulture)
{
return(that.Map(b => string.Equals(b, text, c)));
}
public static IReadOnlyObservableValue <double> Add(this IReadOnlyObservableValue <long> self,
double other)
{
return(self.Map((a) => a + other));
}
public static IReadOnlyObservableValue <bool> NotNull <T>(this IReadOnlyObservableValue <T> that) where T : class
{
return(that.Map(b => (b != null)));
}
public static IReadOnlyObservableValue <double> Subtract(this IReadOnlyObservableValue <float> self,
double other)
{
return(self.Map((a) => a - other));
}
public static IReadOnlyObservableValue <bool> IsNullOrWhitespace(this IReadOnlyObservableValue <string> that)
{
return(that.Map(string.IsNullOrWhiteSpace));
}